package com.heima.user.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.user.dtos.LoginDto;
import com.heima.model.user.pojos.ApUser;
import com.heima.user.mapper.ApUserMapper;
import com.heima.user.service.ApUserService;
import com.heima.utils.common.AppJwtUtil;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

import java.util.HashMap;
import java.util.Map;

/**
 * @program: heima-leadnews
 * @description: apUserService实现类
 * @author: ww
 * @create: 2023-12-27 15:38
 **/
@Service
public class ApUserServiceImpl extends ServiceImpl<ApUserMapper, ApUser> implements ApUserService {

    @Override
    public ResponseResult login(LoginDto dto) {
        if(StringUtils.isNotBlank(dto.getPhone()) && StringUtils.isNotBlank(dto.getPassword())){
            //查询用户
            LambdaQueryWrapper<ApUser> wrapper = Wrappers.lambdaQuery();
            wrapper.eq(ApUser::getPhone,dto.getPhone());
            ApUser user = getOne(wrapper);
            if(ObjectUtils.isEmpty(user)){
                return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST,"用户不存在");
            }

            //对比密码
            String salt = user.getSalt();
            String password = dto.getPassword();
            password = DigestUtils.md5DigestAsHex((password + salt).getBytes());
            if(!user.getPassword().equals(password)){
                return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
            }

            //返回数据
            Map<String, Object> map = new HashMap<>();
            map.put("token", AppJwtUtil.getToken(user.getId().longValue()));
            user.setSalt("");
            user.setPassword("");
            map.put("user", user);
            return ResponseResult.okResult(map);
        }else {
            //2.游客  同样返回token  id = 0
            Map<String, Object> map = new HashMap<>();
            map.put("token", AppJwtUtil.getToken(0L));
            return ResponseResult.okResult(map);
        }
    }
}
